Exterior shell of a combined motor housing and mounting canopy for a ceiling fan



FIG. 1 is a bottom and front perspective view of an exterior shell of a combined motor housing and mounting canopy for a ceiling fan, showing my new design;

FIG. 2 is an enlarged side elevational view thereof, the opposite side being a mirror image of that shown; and,

FIG. 3 is an enlarged bottom plan view thereof.

The broken line showing of fan blades in FIGS. 1 through 3 are for illustrative purposes only, and form no part of the claimed design. 

The ornamental design for a exterior shell of a combined motor housing and mounting canopy for a ceiling fan, as shown and described. 